log日志

日志门面
JCL
*SLF4J
jboos-logging

日志实现
Log4j
Log4j2
*Logback
JUL

日志文件配制

    <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-context</artifactId>
            <version>2.1.2.RELEASE</version>
        </dependency>

application.yml

logging:
  pattern:
    console: "%d - %msg%n"
  file:
    path: /log/weixin

logback-spring.xml

<?xml version="1.0" encoding="UTF-8" ?>
<configuration >
    <appender name="consoleLog" class="ch.qos.logback.core.ConsoleAppender">
        <!--控制台日志显示-->
        <layout class="ch.qos.logback.classic.PatternLayout">
            <pattern>
                %d - %msg%n
            </pattern>
        </layout>
    </appender>
    <appender name="fileInfoLog" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <!--文件非ERROR日志-->
        <filter class="ch.qos.logback.classic.filter.LevelFilter">
            <!--禁止ERROR日志-->
            <level>ERROR</level>
            <onMatch>DENY</onMatch>
            <onMismatch>ACCEPT</onMismatch>
        </filter>
        <encoder>
            <pattern>
                %d - %msg%n
            </pattern>
        </encoder>
        <!--滚动策略 按时间每天一个日志文件-->
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <!--文件路径-->
            <fileNamePattern>
                /log/weixin/info.%d.log
            </fileNamePattern>
        </rollingPolicy>
    </appender>

    <appender name="fileErrorLog" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <!--文件ERROR日志-->
        <filter class="ch.qos.logback.classic.filter.ThresholdFilter">
            <!--仅ERROR日志-->
            <level>ERROR</level>
        </filter>
        <encoder>
            <pattern>
                %d - %msg%n
            </pattern>
        </encoder>
        <!--滚动策略 按时间每天一个日志文件-->
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <!--文件路径-->
            <fileNamePattern>
                /log/weixin/error.%d.log
            </fileNamePattern>
        </rollingPolicy>
    </appender>

    <root level="info">
        <appender-ref ref="consoleLog"/>
        <appender-ref ref="fileInfoLog"/>
        <appender-ref ref="fileErrorLog"/>
    </root>
</configuration>